main.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 from flask import Flask, request, session, g, redirect, url_for, abort, \
   5     render_template, flash
   6 import sqlite3
   7 from datetime import date, timedelta
   8 from contextlib import closing
   9 import locale
  10 locale.setlocale(locale.LC_ALL, '')
  11 import hashlib
  12
  13 DATABASE = '/tmp/cavote.db'
  14 SECRET_KEY = '{J@uRKO,xO-PK7B,jF?>iHbxLasF9s#zjOoy=+:'
  15 DEBUG = True
  16
  17 app = Flask(__name__)
  18 app.config.from_object(__name__)
  19
  20 def connect_db():
  21     return sqlite3.connect(app.config['DATABASE'])
  22
  23 @app.before_request
  24 def before_request():
  25     g.db = connect_db()
  26
  27 @app.teardown_request
  28 def teardown_request(exception):
  29     g.db.close()
  30
  31 @app.route('/')
  32 def home():
  33     return render_template('index.html', active_button="home")
  34
  35 def query_db(query, args=(), one=False):
  36     cur = g.db.execute(query, args)
  37     rv = [dict((cur.description[idx][0], value)
  38         for idx, value in enumerate(row)) for row in cur.fetchall()]
  39     return (rv[0] if rv else None) if one else rv
  40
  41 def init_db():
  42     with closing(connect_db()) as db:
  43         with app.open_resource('schema.sql') as f:
  44             db.cursor().executescript(f.read())
  45         db.commit()
  46
  47 #----------------
  48 # Login / Logout
  49
  50 def valid_login(username, password):
  51     return query_db('select * from users where email = ? and password = ?', [username, crypt(password)], one=True)
  52
  53 def connect_user(user):
  54     session['user'] = user # :KLUDGE:maethor:120528: Stoquer toute la ligne de la table users dans la session, c'est un peu crade
  55     del session['user']['password']
  56     del session['user']['key']
  57
  58 def disconnect_user():
  59     session.pop('user', None)
  60
  61 def crypt(passwd):
  62     return hashlib.sha1(passwd).hexdigest()
  63
  64 def get_userid():
  65     user = session.get('user')
  66     if user is None:
  67         return -1
  68     elif not user.get('id') > 0:
  69         return -1
  70     else:
  71         return user.get('id')
  72
  73 @app.route('/login', methods=['GET', 'POST'])
  74 def login():
  75     if request.method == 'POST':
  76         user = valid_login(request.form['username'], request.form['password'])
  77         if user is None:
  78             flash('Invalid username/password', 'error')
  79         else:
  80             connect_user(user)
  81             flash('You were logged in', 'success')
  82             return redirect(url_for('home'))
  83     return render_template('login.html')
  84
  85 @app.route('/logout')
  86 def logout():
  87     disconnect_user()
  88     flash('You were logged out', 'info')
  89     return redirect(url_for('home'))
  90
  91 #-----------------
  92 # Change password
  93
  94 @app.route('/password/lost', methods=['GET', 'POST'])
  95 def password_lost():
  96     info = None
  97     if request.method == 'POST':
  98         user = query_db('select * from users where email = ?', [request.form['email']], one=True)
  99         if user is None:
 100             flash('Cet utilisateur n\'existe pas !', 'error')
 101         else:
 102             # :TODO:maethor:120528: Generer la cle, la mettre dans la base de données et envoyer le mail
 103             flash(u"Un mail a été envoyé à " + user['email'], 'info')
 104     return render_template('password_lost.html')
 105
 106 @app.route('/login/<userid>/<key>')
 107 def login_key(userid, key):
 108     user = query_db('select * from users where id = ? and key = ?', [userid, key], one=True)
 109     if user is None or key == "invalid":
 110         abort(404)
 111     else:
 112         connect_user(user)
 113         # :TODO:maethor:120528: Remplacer la clé pour qu'elle ne puisse plus être utilisée (invalid)
 114         flash(u"Veuillez mettre à jour votre mot de passe", 'info')
 115         return redirect(url_for('user_password'), userid=user['userid'])
 116
 117 #---------------
 118 # User settings
 119
 120 @app.route('/user/<userid>')
 121 def user(userid):
 122     if int(userid) != get_userid():
 123         abort(401)
 124     groups = query_db('select * from roles join user_role on id=id_role where id_user = ?', userid)
 125     return render_template('user.html', groups=groups)
 126
 127 @app.route('/user/settings/<userid>', methods=['GET', 'POST'])
 128 def user_edit(userid):
 129     if int(userid) != get_userid():
 130         abort(401)
 131     if request.method == 'POST':
 132         if query_db('select * from users where email=? and id!=?', [request.form['email'], userid], one=True) is None:
 133             if query_db('select * from users where name=? and id!=?', [request.form['name'], userid], one=True) is None:
 134                 g.db.execute('update users set email = ?, name = ?, organization = ? where id = ?',
 135                         [request.form['email'], request.form['name'], request.form['organization'], session['user']['id']])
 136                 g.db.commit()
 137                 disconnect_user()
 138                 user = query_db('select * from users where id=?', [userid], one=True)
 139                 if user is None:
 140                     flash(u'Une erreur s\'est produite.', 'error')
 141                     return redirect(url_for('login'))
 142                 connect_user(user)
 143                 flash(u'Votre profil a été mis à jour !', 'success')
 144             else:
 145                 flash(u'Le nom ' + request.form['name'] + u' est déjà pris ! Veuillez en choisir un autre.', 'error')
 146         else:
 147             flash(u'Il existe déjà un compte pour cette adresse e-mail : ' + request.form['email'], 'error')
 148     return render_template('user_edit.html')
 149
 150 @app.route('/user/password/<userid>', methods=['GET', 'POST'])
 151 def user_password(userid):
 152     if int(userid) != get_userid():
 153         abort(401)
 154     if request.method == 'POST':
 155         if request.form['password'] == request.form['password2']:
 156             g.db.execute('update users set password = ? where id = ?', [crypt(request.form['password']), session['user']['id']])
 157             g.db.commit()
 158             flash(u'Votre mot de passe a été mis à jour.', 'success')
 159         else:
 160             flash(u'Les mots de passe sont différents.', 'error')
 161     return render_template('user_edit.html')
 162
 163 #------------
 164 # User admin
 165
 166 @app.route('/admin/users')
 167 def admin_users():
 168     if not session.get('user').get('is_admin'):
 169         abort(401)
 170     tuples = query_db('select *, roles.name as rolename from (select *, id as userid, name as username from users join user_role on id=id_user order by id desc) join roles on id_role=roles.id')
 171     users = dict()
 172     for t in tuples:
 173         if t['userid'] in users:
 174             users[t['userid']]['roles'].append(t["rolename"])
 175         else:
 176             users[t['userid']] = dict()
 177             users[t['userid']]['userid'] = t['userid']
 178             users[t['userid']]['email'] = t['email']
 179             users[t['userid']]['username'] = t['username']
 180             users[t['userid']]['is_admin'] = t['is_admin']
 181             users[t['userid']]['roles'] = [t['rolename']]
 182
 183     return render_template('admin_users.html', users=users.values())
 184
 185 @app.route('/admin/users/add', methods=['GET', 'POST'])
 186 def admin_user_add():
 187     if not session.get('user').get('is_admin'):
 188         abort(401)
 189     if request.method == 'POST':
 190         if request.form['email']:
 191             # :TODO:maethor:120528: Check fields
 192             password = "toto" # :TODO:maethor:120528: Generate password
 193             admin = 0
 194             if 'admin' in request.form.keys():
 195                 admin = 1
 196             g.db.execute('insert into users (email, name, organization, password, is_admin) values (?, ?, ?, ?, ?)',
 197                     [request.form['email'], request.form['username'], request.form['organization'], password, admin])
 198             g.db.commit()
 199             user = query_db('select * from users where email = ?', [request.form["email"]], one=True)
 200             if user:
 201               for role in request.form.getlist('roles'):
 202                   # :TODO:maethor:120528: Check if this role exist
 203                   if query_db('select id from roles where id = ?', role, one=True) is None:
 204                       abort(401)
 205                   g.db.execute('insert into user_role values (?, ?)', [user['id'], role])
 206                   g.db.commit()
 207               # :TODO:maethor:120528: Send mail
 208               flash(u'Le nouvel utilisateur a été créé avec succès', 'success')
 209               return redirect(url_for('admin_users'))
 210             else:
 211                 flash(u'Une erreur s\'est produite.', 'error')
 212         else:
 213             flash(u"Vous devez spécifier une adresse email.", 'error')
 214     groups = query_db('select * from roles where system=0')
 215     return render_template('admin_user_new.html', groups=groups)
 216
 217 #-------------
 218 # Roles admin
 219
 220 @app.route('/admin/roles')
 221 def admin_roles():
 222     if not session.get('user').get('is_admin'):
 223         abort(401)
 224     roles = query_db('select * from roles')
 225     return render_template('admin_roles.html', roles=roles)
 226
 227 @app.route('/admin/roles/add', methods=['POST'])
 228 def admin_role_add():
 229     if not session.get('user').get('is_admin'):
 230         abort(401)
 231     if request.method == 'POST':
 232         if request.form['name']:
 233             g.db.execute('insert into roles (name) values (?)', [request.form['name']])
 234             g.db.commit()
 235         else:
 236             flash(u"Vous devez spécifier un nom.", "error")
 237     return redirect(url_for('admin_roles'))
 238
 239 @app.route('/admin/roles/delete/<idrole>')
 240 def admin_role_del(idrole):
 241     if not session.get('user').get('is_admin'):
 242         abort(401)
 243     role = query_db('select * from roles where id = ?', [idrole], one=True)
 244     if role is None:
 245         abort(404)
 246     if role['system']:
 247         abort(401)
 248     g.db.execute('delete from roles where id = ?', [idrole])
 249     g.db.commit()
 250     return redirect(url_for('admin_roles'))
 251
 252 #------------
 253 # Votes list
 254
 255 @app.route('/votes/<votes>')
 256 def votes(votes):
 257     today = date.today()
 258     active_button = votes
 259     basequery = 'select *, roles.name as rolename from votes join roles on roles.id=votes.id_role where is_open=1'
 260     if votes == 'all':
 261         votes = query_db(basequery + ' order by id desc')
 262     elif votes == 'archive':
 263         votes = query_db(basequery + ' and date_end < (?) order by id desc', [today])
 264     elif votes == 'current':
 265         votes = query_db(basequery + ' and date_end >= (?) order by id desc', [today])
 266     else:
 267         abort(404)
 268     return render_template('votes.html', votes=votes, active_button=active_button)
 269
 270 #------
 271 # Vote
 272
 273 def can_see_vote(idvote, iduser=-1):
 274     vote = query_db('select * from votes where id=?', [idvote], one=True)
 275     if vote is None:
 276         abort(404)
 277     if not vote['is_public']:
 278         user = query_db('select * from users where id=?', [iduser], one=True)
 279         if user is None: # :TODO:maethor:120604: Check others things (groups)
 280             return False
 281     return True
 282
 283 def can_vote(idvote, iduser=-1):
 284     if iduser > 0:
 285         if can_see_vote(idvote, iduser):
 286             if not has_voted(idvote, iduser):
 287                 return True # :TODO:maethor:120529: Check others things (groups)
 288     return False
 289
 290 def has_voted(idvote, iduser=-1):
 291     vote = query_db('select * from user_choice join choices on id_choice=choices.id where id_vote = ? and id_user = ?', [idvote, iduser], one=True)
 292     return (vote is not None)
 293
 294 @app.route('/vote/<idvote>', methods=['GET', 'POST'])
 295 def vote(idvote):
 296     vote = query_db('select *, roles.name as rolename from votes join roles on roles.id=votes.id_role where votes.id=?', [idvote], one=True)
 297     if vote is None:
 298         abort(404)
 299     if can_see_vote(idvote, get_userid()):
 300         if request.method == 'POST':
 301             if can_vote(idvote, get_userid()):
 302                 choices = query_db('select name, id from choices where id_vote=?', [idvote])
 303                 for choice in choices:
 304                     if str(choice['id']) in request.form.keys():
 305                         g.db.execute('insert into user_choice (id_user, id_choice) values (?, ?)',
 306                                 [session.get('user').get('id'), choice['id']])
 307                         g.db.commit()
 308                         if vote['is_multiplechoice'] == 0:
 309                             break
 310             else:
 311                 abort(401)
 312         tuples = query_db('select choiceid, choicename, users.id as userid, users.name as username from (select choices.id as choiceid, choices.name as choicename, id_user as userid from choices join user_choice on choices.id = user_choice.id_choice where id_vote = ?) join users on userid = users.id', [idvote])
 313         users = dict()
 314         for t in tuples:
 315             if t['userid'] in users:
 316                 users[t['userid']]['choices'].append(t['choiceid'])
 317             else:
 318                 users[t['userid']] = dict()
 319                 users[t['userid']]['userid'] = t['userid']
 320                 users[t['userid']]['username'] = t['username']
 321                 users[t['userid']]['choices'] = [t['choiceid']]
 322         choices = query_db('select choices.name, choices.id, choices.name, choices.id_vote, count(id_choice) as nb from choices left join user_choice on id_choice = choices.id where id_vote = ? group by id_choice, name, id_vote', [idvote])
 323         attachments = query_db('select * from attachments where id_vote=?', [idvote])
 324         return render_template('vote.html', vote=vote, attachments=attachments, choices=choices, users=users.values(), can_vote=can_vote(idvote, get_userid()))
 325     flash('Vous n\'avez pas le droit de voir ce vote, désolé.')
 326     return(url_for('home'))
 327
 328 @app.route('/vote/deletechoices/<idvote>/<iduser>')
 329 def vote_deletechoices(idvote):
 330     if (not has_voted(idvote, get_userid())) or iduser != get_userid():
 331         abort(401)
 332     g.db.execute('delete from user_choice where id_user = ? and id_choice in (select id from choices where id_vote = ?)',
 333         [iduser, idvote])
 334     g.db.commit()
 335     return redirect(url_for('vote', idvote=idvote))
 336
 337 #-------------
 338 # Votes admin
 339
 340 @app.route('/admin/votes/list')
 341 def admin_votes():
 342     if not session.get('user').get('is_admin'):
 343         abort(401)
 344     votes = query_db('select *, roles.name as rolename from votes join roles on roles.id=votes.id_role order by id desc')
 345     return render_template('admin_votes.html', votes=votes)
 346
 347 @app.route('/admin/votes/add', methods=['GET', 'POST'])
 348 def admin_vote_add():
 349     if not session.get('user').get('is_admin'):
 350         abort(401)
 351     if request.method == 'POST':
 352         if request.form['title']:
 353             date_begin = date.today()
 354             date_end = date.today() + timedelta(days=int(request.form['days']))
 355             transparent = 0
 356             public = 0
 357             multiplechoice = 0
 358             if 'transparent' in request.form.keys():
 359                 transparent = 1
 360             if 'public' in request.form.keys():
 361                 public = 1
 362             if 'multiplechoice' in request.form.keys():
 363                 multiplechoice = 1
 364             role = query_db('select id from roles where name = ?', [request.form['role']], one=True)
 365             if role is None:
 366                 role[id] = 1
 367             g.db.execute('insert into votes (title, description, category, date_begin, date_end, is_transparent, is_public, is_multiplechoice, id_role, id_author) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)',
 368                     [request.form['title'], request.form['description'], request.form['category'], date_begin, date_end, transparent, public, multiplechoice, role['id'], session['user']['id']])
 369             g.db.commit()
 370             vote = query_db('select * from votes where title = ? and date_begin = ? order by id desc',
 371                     [request.form['title'], date_begin], one=True) # :DEBUG:maethor:120528: Bug possible car le titre n'est pas unique
 372             if vote is None:
 373                 flash(u'Une erreur est survenue !', 'error')
 374                 return redirect(url_for('home'))
 375             else:
 376                 flash(u"Le vote a été créé", 'info')
 377                 return redirect(url_for('admin_vote_edit', voteid=vote['id']))
 378         else:
 379             flash(u'Vous devez spécifier un titre.', 'error')
 380     groups = query_db('select * from roles')
 381     return render_template('admin_vote_new.html', groups=groups)
 382
 383 @app.route('/admin/votes/edit/<voteid>', methods=['GET', 'POST'])
 384 def admin_vote_edit(voteid):
 385     if not session.get('user').get('is_admin'):
 386         abort(401)
 387     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 388     if vote is None:
 389         abort(404)
 390     if request.method == 'POST':
 391         if request.form['title']:
 392             # :TODO:maethor:120529: Calculer date_begin pour pouvoir y ajouter duration et obtenir date_end
 393             transparent = 0
 394             public = 0
 395             if 'transparent' in request.form.keys():
 396                 transparent = 1
 397             if 'public' in request.form.keys():
 398                 public = 1
 399             isopen = 0
 400             if request.form['status'] == 'Ouvert': # :TODO:maethor:120529: Check if there is at least 2 choices before
 401                 isopen = 1
 402             g.db.execute('update votes set title = ?, description = ?, category = ?, is_transparent = ?, is_public = ?, is_open = ? where id = ?',
 403                     [request.form['title'], request.form['description'], request.form['category'], transparent, public, isopen, voteid])
 404             g.db.commit()
 405             vote = query_db('select * from votes where id = ?', [voteid], one=True)
 406             flash(u"Le vote a bien été mis à jour.", "success")
 407         else:
 408             flash(u'Vous devez spécifier un titre.', 'error')
 409
 410     # :TODO:maethor:120529: Calculer la durée du vote (différence date_end - date_begin)
 411     vote['duration'] = 15
 412     group = query_db('select name from roles where id = ?', [vote['id_role']], one=True)
 413     choices = query_db('select * from choices where id_vote = ?', [voteid])
 414     attachments = query_db('select * from attachments where id_vote = ?', [voteid])
 415     return render_template('admin_vote_edit.html', vote=vote, group=group, choices=choices, attachments=attachments)
 416
 417 @app.route('/admin/votes/addchoice/<voteid>', methods=['POST'])
 418 def admin_vote_addchoice(voteid):
 419     if not session.get('user').get('is_admin'):
 420         abort(401)
 421     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 422     if vote is None:
 423         abort(404)
 424     g.db.execute('insert into choices (name, id_vote) values (?, ?)', [request.form['title'], voteid])
 425     g.db.commit()
 426     return redirect(url_for('admin_vote_edit', voteid=voteid))
 427
 428 @app.route('/admin/votes/editchoice/<voteid>/<choiceid>', methods=['POST', 'DELETE'])
 429 def admin_vote_editchoice(voteid, choiceid):
 430     if not session.get('user').get('is_admin'):
 431         abort(401)
 432     choice = query_db('select * from choices where id = ? and id_vote = ?', [choiceid, voteid], one=True)
 433     if choice is None:
 434         abort(404)
 435     if request.method == 'POST':
 436         g.db.execute('update choices set name=? where id = ? and id_vote = ?', [request.form['title'], choiceid, voteid])
 437         g.db.commit()
 438     elif request.method == 'DELETE': # :COMMENT:maethor:120528: I can't find how to use it from template
 439         g.db.execute('delete from choices where id = ? and id_vote = ?', [choiceid, voteid])
 440         g.db.commt()
 441     return redirect(url_for('admin_vote_edit', voteid=voteid))
 442
 443 @app.route('/admin/votes/deletechoice/<voteid>/<choiceid>')
 444 def admin_vote_deletechoice(voteid, choiceid):
 445     if not session.get('user').get('is_admin'):
 446         abort(401)
 447     choice = query_db('select * from choices where id = ? and id_vote = ?', [choiceid, voteid], one=True)
 448     if choice is None:
 449         abort(404)
 450     g.db.execute('delete from choices where id = ? and id_vote = ?', [choiceid, voteid])
 451     g.db.commit()
 452     return redirect(url_for('admin_vote_edit', voteid=voteid))
 453
 454 @app.route('/admin/votes/addattachment/<voteid>', methods=['POST'])
 455 def admin_vote_addattachment(voteid):
 456     if not session.get('user').get('is_admin'):
 457         abort(401)
 458     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 459     if vote is None:
 460         abort(404)
 461     g.db.execute('insert into attachments (url, id_vote) values (?, ?)', [request.form['url'], voteid])
 462     g.db.commit()
 463     return redirect(url_for('admin_vote_edit', voteid=voteid))
 464
 465 @app.route('/admin/votes/deleteattachment/<voteid>/<attachmentid>')
 466 def admin_vote_deleteattachment(voteid, attachmentid):
 467     if not session.get('user').get('is_admin'):
 468         abort(401)
 469     attachment = query_db('select * from attachments where id = ? and id_vote = ?', [attachmentid, voteid], one=True)
 470     if attachment is None:
 471         abort(404)
 472     g.db.execute('delete from attachments where id = ? and id_vote = ?', [attachmentid, voteid])
 473     g.db.commit()
 474     return redirect(url_for('admin_vote_edit', voteid=voteid))
 475
 476 #------
 477 # Main
 478
 479 if __name__ == '__main__':
 480     app.run()
 481